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To: Martin von Gagern <Martin.vGagern@...>
From: Ladislav Laska <ladislav.laska@...>
Subject: Re: kde-sunset: Calling base_src_prepare from kde.eclass
Date: Sun, 21 Feb 2010 00:08:32 +0100
Hello,

just what I had in mind. Works just fine with everything I tested - good job.

Regards Ladislav Laska
S pozdravem Ladislav Laska
---
xmpp/jabber: ladislav.laska@...



On Sat, Feb 20, 2010 at 11:02 AM, Martin von Gagern
<Martin.vGagern@...> wrote:
> Hi there!
>
> On 19.02.2010 22:23, Ladislav Laska wrote:
>> Hello again,
>>
>> I have decided to continue discussion in new thread. This discussion
>> was started in thread "kde-sunset: kdepim-kresources broken".
>>
>> I have replaced my code with what I originally intended (the code in
>> git is wrong, since I made a mistake editing it - here is what I
>> intended):
>>
>>         # Check for PATCHES in EAPI=0|1
>>         case ${EAPI:-0} in
>>             0|1)
>>                 if [[ -n ${PATCHES} ]] && [[ -d "${KDE_S}" ]]; then
>>                     base_src_prepare
>>                 fi
>>             ;;
>>         esac
>>
>> Look, for example, at kde-base/ark ebuild. There is a patch, but it's
>> not applied correctly without my code.
>
> media-gfx/gwenview-1.4.2-r3, on the other hand, would try applying
> patches twice /with/ your code.
>
>> What I'm worried about is the check  [[ -d "${KDE_S}" ]] makes sure,
>> that this code is called if
>>
>> [[ -d "${KDE_S}" ]] || base_src_unpack unpack
>>
>> did not called base-src_unpack and therefore did not applied patches.
>>
>> There are two problems with EAPI=0|1
>>
>> 1) It depends on file naming and will not work if base_src_unpack
>> unpacks into $KDE_S
>
> You mean kde-meta_src_unpack does unpack into $KDE_S, right?
>
> I just had a look. For kde-base/ark, kde-meta_src_unpack does unpack
> part of the tarball, therefore kde_src_unpack won't call
> base_src_unpack, therefore base_src_prepare won't get called either.
>
>> 2) Even if base_src_unpack calls base_src_prepare, we're adding
>> patches automatically after this call, but they will not be applied.
>
> You're right, there is code collecting additional patches from $PATCHDIR
> into the $PATCHES array. So we need to call base_src_prepare /after/
> that, while the current base_src_unpack call comes before that, and
> unpacking has to come before that as $PATCHDIR is unpacked as well.
>
> As base_src_unpack calls base_src_prepare unconditionally for recent
> incarnations of base.eclass, I feel we cannot call base_src_unpack at
> all. Instead we should simply call "unpack ${A}" directly, and
> base_src_prepare later on.
>
> I feel that this code collecting and applying $PATCHES would be better
> suited to a kde_src_prepare than kde_src_unpack, but I'm not sure it's
> worth refactoring kde.eclass.
>
>> Since I can't think of correct check, please let me know if you have
>> an idea. Also, let me know if I'm wrong about something and it's not
>> needed at all. (but I doubt that, because ark, as mentioned above, is
>> counterexample)
>
> No, you are correct in diagnosing the problem. I just had another stab
> at a solution. Have a look at 5979aefafa6e200a09d5dd7b3a6e99b3e0a9d74e
> and see if you find any package where that approach doesn't work.
>
> Greetings,
>  Martin
>
>


Replies:
Re: kde-sunset: Calling base_src_prepare from kde.eclass
-- Chris Bandy
References:
kde-sunset: Calling base_src_prepare from kde.eclass
-- Ladislav Laska
Re: kde-sunset: Calling base_src_prepare from kde.eclass
-- Martin von Gagern
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Updated Jun 28, 2012

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